Find out if the rotors were measured. If they say yes, ask what the measurement was. If they don't know get a measurment and confirm if they are at or below min spec. Min spec on those rotors should be 19.4 mm. The spec is stamped on the rotor hub in case I'm wrong.

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Scott Diener
89 300E
93 300E
92 Volvo 740 Wagon aka "Mutt mover"